Will GTSTRUDL 29 Future Enhancements

GTSTRUDL Version 29Coming New Features: GTSTRUDL Version 29 Coming New Features Dr. Kenneth M.(Mac) Will GTSUG 2006 June 2006 Atlanta, GA
Version 28.1 Available upon request in January 2006 (non-nuclear): Version 28.1 Available upon request in January 2006 (non-nuclear) New Model Wizards for Braced Frames Circular Plates Rectangular Tanks
Version 28.1Braced Frame Model Wizard: Version 28.1 Braced Frame Model Wizard X and Chevron Bracing User may select the bays to be braced User may select releases on beams and braces
Version 28.1Braced Frame Model Wizard (cont): Version 28.1 Braced Frame Model Wizard (cont)
Version 28.1Braced Frame Model Wizard (cont): Version 28.1 Braced Frame Model Wizard (cont)
Version 28.1Circular Plate Model Wizard: Version 28.1 Circular Plate Model Wizard Generates a finite element plate model using SBHQ6 and SBHT6 elements User may control the number of divisions in the radial and circumferential directions Plate may have hole at the center Supports at edges or soil springs under plate with an option for compression only springs Self weight and pressure loadings
Version 28.1Circular Plate Model Wizard (cont): Version 28.1 Circular Plate Model Wizard (cont)
Version 28.1Circular Plate Model Wizard (cont): Version 28.1 Circular Plate Model Wizard (cont) Support options
Version 28.1Circular Plate Model Wizard (cont): Version 28.1 Circular Plate Model Wizard (cont) Load options
Version 28.1Rectangular Tank Model Wizard: Version 28.1 Rectangular Tank Model Wizard Generates a finite element plate model using SBHQ6 and SBHT6 elements User may control the number of spaces in the X, Y, and Z directions for the finite element mesh Pinned or fixed supports on all bottom joints or elastic soil springs on all bottom joints Self weight, internal pressure and hydrostatic loadings
Version 28.1Rectangular Tank Model Wizard (cont): Version 28.1 Rectangular Tank Model Wizard (cont)
Version 28.1Rectangular Tank Model Wizard (cont): Version 28.1 Rectangular Tank Model Wizard (cont) Support options
Version 28.1Rectangular Tank Model Wizard (cont): Version 28.1 Rectangular Tank Model Wizard (cont) Loading options
Version 28.1Additional Model Wizard Enhancement: Version 28.1 Additional Model Wizard Enhancement The Plane Frame and Braced Frame Model Wizards allow you to specify the vertical direction to facilitate using the Model Wizard multiple times for the same model with frames in different planes
Version 28.1Dynamic Analysis Eigenvalue Performance: Version 28.1 Dynamic Analysis Eigenvalue Performance A new version of the out-of-core GTLANCZOS Eigenvalue analysis solver called GTHCLANCZOS has been implemented. GTHCLANCZOS does less to improve efficiency than it does to significantly increase the size of the eigenvalue problem that can be solved. An example of the solution of an eigenproblem with 240,000 dof is shown on the next slide.
Version 28.1Dynamic Analysis Eigenvalue Performance (cont): Version 28.1 Dynamic Analysis Eigenvalue Performance (cont) Bandwidth 1179 Joints 39765 Members and Elements 46587 Number of Modes 100 ***************************************** * Solution data for GTHC-LANCZOS Solver * ***************************************** Number of dynamic degrees-of-freedom = 236640 Number of modes requested = 100 Eigenvalue tolerance = 1.00000E-06 Number of terms in skyline = 1,111,926,227 (over 8 Gigabytes of data) Average column height of skyline = 4699 Number of hypercolumns = 112 Rank of mass matrix = = 236640 Number of Lanczos vectors computed = 187 ************************************* * End of GTHC-LANCZOS Solution Data * ************************************* Time to solve Eigen problem = 110,425.25 seconds (1,840.4 minutes = 30.7 hours)
Version 28.1Area Load Error Detection: Version 28.1 Area Load Error Detection Error checking for illegal member configurations such as X-bracing and overlapping members has been improved.
Version 28.1Statistical Output for the GTHCS static solver: Version 28.1 Statistical Output for the GTHCS static solver The statistical output for the GTHCS solver now includes output regarding the numbers of dof, the number of terms in the skyline, and the number of hyper-columns.
Version 28.1Offshore: Version 28.1 Offshore The Efthymiou SCF equations for the computation of stress concentrations have been added to the FATIGUE MEMBER command for offshore fatigue analysis. The FATIGUE MEMBER command now provides for the selection of the Kuang, Smedley, and Efthymiou SCF equations.
Version 28.1Steel Design: Version 28.1 Steel Design A new parameter called ‘Class3' has been added to EC3 code. This parameter allows the user to request that the code check or design to be performed based on the class 3 classification. A user specified value of ‘YES’ for this parameter indicates that when a code check or design is performed for EC3 code, equations based on the Class 3 classification should be used.
Version 28.1Steel Design (cont): Version 28.1 Steel Design (cont) The SUMMARIZE command for the critical section prints the summary results for the section that has the highest actual/allowable ratio. When the KL/r actual/allowable ratio is the highest ratio during a code check or design, the SUMMARIZE command for the critical section outputs that section’s summary results. In general, prismatic sections have the same KL/r ratio for each loading and section. Since the KL/r value is the same for all sections, when the SUMMARIZE command is issued and the KL/r is the highest actual/allowable ratio, the summary results for the last loading and last section are printed. In this version of GTSTRUDL, the summarize output for the critical section has been modified to also print the section with the highest stress value. The section which has the highest stress value also has the highest KL/r ratio.
Version 29: Version 29 Undergoing limited Beta testing now Will undergo final testing in August Target date for release – October 2006
Model Wizard: Model Wizard A ‘Tangent” option has been added to the the Tank Wizard to allow for a smooth transition from the circular to hemispherical portions of the tank as shown on the next slides. Compression Only and In-plane springs have been added to the Rectangular Tank Wizard The new CQSHELL6 element has been added to the 2D Finite Element Mesh Wizard
Slide24: Tangent Option illustrated using the Tank Model Wizard
Slide25: Conical Tank Model Wizard
GTSTRUDL Output Window: GTSTRUDL Output Window You may now save a GTSTRUDL input file including the Command History. You may also Save the File and Command History and then Edit the file.
GTSTRUDL Output Window: GTSTRUDL Output Window You can now launch Windows Explorer from the File pulldown
GTSTRUDL Output Window: GTSTRUDL Output Window The new static solver, GTSES, can now be accessed under the Analysis pulldown. This solver will be discussed later in the presentation.
GTSTRUDL Output Window: GTSTRUDL Output Window The Results datasheets now have an option which allows you to change Units in the datasheets
GTSTRUDL Output Window: GTSTRUDL Output Window You may now display harmonic analysis results versus frequency
GTSTRUDL Output Window: GTSTRUDL Output Window The new Display Harmonic Results dialog and a sample of the resulting display are shown below:
GTSTRUDL Output Window: GTSTRUDL Output Window The Steel Design Wizard now has an Advanced button. Clicking on the Advanced button will display the options.
GTMenu: GTMenu The Button Bar has been revised to include Buttons for Displaying Loads, Displaying the Model, and Annotation
GTMenu: GTMenu In the previous slide, The Display Model button brings up the existing Display Model dialog, The Display Load button brings up the existing Display Load dialog, The Annotation button brings up the Dimension, Coordinates, and Label dialog, and The Label Setting button now brings up only the Display and Label Settings dialog.
GTMenu: GTMenu Dialogs have changed in appearance Version 29 Version 28
GTMenu: GTMenu The Edit pulldown now includes Move Model and Extrude Model options
GTMenu (cont): GTMenu (cont) Ability to Move all or part of the model Edit – Move Model Move based on distance between two joints or Move based on incrementing coordinates in current coordinate system (Cartesian, Cylindrical, or Spherical)
GTMenu Move Model (cont): GTMenu Move Model (cont)
Extrude Model Dialog: Extrude Model Dialog Extrude frame model with members connecting each extrusion repetition Extrude selected 1D members to 2D finite elements Extrude all 2D finite elements to 3D solid finite elements
Extrude Model Spacing Dialog: Extrude Model Spacing Dialog Uniform or variable spacing Add members in opposite direction of extrusion such as below a floor level
Extrude Selected Joints Dialog: Extrude Selected Joints Dialog
Resulting Model from Extruding Selected Joints: Resulting Model from Extruding Selected Joints
Extrude 2D Finite Elements to 3D Solid Finite Elements – Starting 2D model: Extrude 2D Finite Elements to 3D Solid Finite Elements – Starting 2D model
Extruded 3D Solid Model (32,832 elements): Extruded 3D Solid Model (32,832 elements)
GTMenu (cont): GTMenu (cont) New Mirror Image option on Copy Model Dialog Mirror about XY, XZ, or YZ planes Planes can be identified as passing through a coordinate value or by selecting a joint Option to maintain incidence order
GTMenu Mirror Option on Copy Model Dialog (cont): GTMenu Mirror Option on Copy Model Dialog (cont)
Mirror Example using FE mesh: Mirror Example using FE mesh Mirror about YZ plane through this joint
Mirror Example using FE mesh -After mirroring: Mirror Example using FE mesh -After mirroring
Mirror Example using FE mesh -After mirroring with incidence order maintained: Mirror Example using FE mesh -After mirroring with incidence order maintained
GTMenu: GTMenu Added the ability to automatically label the maximum and minimum values on force diagrams and envelopes. To accomplish this, a new check box is added to the Member Forces dialog as shown on the next slide. An example is also shown on a subsequent slide.
Label Max and Min Values on Diagrams and Envelopes: Label Max and Min Values on Diagrams and Envelopes New dialog with option to label maximum and minimum values
Example Showing Labeling of Maximum and Minimum Values and Locations on Moment Diagram: Example Showing Labeling of Maximum and Minimum Values and Locations on Moment Diagram
GTMenu: GTMenu CQSHELL6 plate element Models can be created using this new element in GTMenu Element Loads can be applied in GTMenu Stress results can be contoured
GTMenu: GTMenu An entire element is now highlighted when selected.
GTMenu: GTMenu When selecting joints, members, and elements in Hit Mode, an element may be deselected by clicking on it a second time.
GTMenu (cont): GTMenu (cont) Members with variable properties are now displayed by Redraw Solid. Part of Offshore Jacket Structure
GTMenu (cont): GTMenu (cont) Time to perform a Redraw Solid on models with 3D solid finite elements has been greatly reduced by eliminating duplicate faces. The time to display contour results for models with 3D solid finite elements has also been greatly reduced.
GTMenu (cont): GTMenu (cont) The efficiency of rotating large finite elements models using the cursor has been greatly improved. Now, only the boundary lines are drawn as the structure is rotating. The wire frame of the model is redrawn once the cursor is released.
GTMenu (cont): GTMenu (cont) Solid Model Boundary Outline Displayed when Structure is Rotated Using Cursor
GTMenu (cont): GTMenu (cont) The Label Settings dialog now has options which allow you to have the display of Loads, Supports, and Member Releases always displayed – you will not need to go to Display Model or Display Loads every time the structure is redrawn. The new Label Setting dialog is shown on the next slide.
GTMenu (cont): GTMenu (cont) New options to always display: Support Status Loading Member Releases
GTMenu (cont): GTMenu (cont) Member Releases are now output using a rotated font instead of being drawn as shown on the next slide. This permits selecting and editing the text in the Scope Editor.
Example showing GTMenu Member Releases in Version 29: Example showing GTMenu Member Releases in Version 29 Rotated Text
The Same Example Showing GTMenu Member Releases in Version 28: The Same Example Showing GTMenu Member Releases in Version 28 Note the drawn (not text character) symbols for releases
GTMenu: GTMenu New cylindrical coordinate systems (cylindrical system with the X, Y or Z axis as the axis of the cylinder).
GTMenu: GTMenu You may now hit the “Cancel” button on the Check Model question (Yes, No, Cancel) dialog to interrupt a Check Model listing. Abbreviations used in the output from Check Model have been removed. The Active Units now appear at the top of the output from Check Model. The Font used for the output from Check Model has been changed. A summary of the maximum and minimum element volume ratio is now included in the Check Model output. A summary of the maximum and minimum Aspect Ratio and Included Angle are now included in the Check Model output. A summary of the maximum and minimum member volume ratio is now included in the Check Model output. A comparison of the output from Check Model between Versions 29 and 28 is shown on the next slide.
Slide67: Version 29 Version 28
Other GTMenu enhancements: Other GTMenu enhancements Global Plane menu allows hitting a joint. Previously, the user had to specify a coordinate value.
Other GTMenu enhancements: Other GTMenu enhancements Joint Ties, Rigid Bodies, and Slave Releases have been added to the input file created by GTMenu. The Parameter output in the input file created by GTMenu has been compacted. Whenever possible, numerical output in the graphics window will be written in a non-exponential format – it will be written in decimal format except when the numbers are “too large” or “too small” Punching Shear results will be displayed graphically under the Results pulldown
Other GTMenu enhancements: Other GTMenu enhancements The following information is now kept in the Registry and will be retained for the next time that you execute GTMenu: Font size Display label settings Color Map Color Annotation settings Set Display Options Redraw Solid Options
Other GTMenu enhancements: Other GTMenu enhancements A right mouse click will now interrupt graphical output. The screen layout in GTMenu has been adapted to fit wide screen displays. When performing an Inquire by right clicking on a joint, member, or element on the screen, the output will now show up to 20 duplicates (entities at the same location). The Mode Bar selection "ALL" has been activated for individual load creation.
Other GTMenu enhancements: Other GTMenu enhancements An Inquire on a Member Load will now display the input coordinate system and position specifications for the load since they are required for editing the load. If a Local member load is displayed as Global components, and then one of the global components is edited, the local load is reformed when the load is stored. The default increments for Zoom and Pan have been changed to 0.02 and for Rotate to 2.0. The Graphics Display has been made active by default when entering GTMenu. The Message Box in GTMenu now shows the 3 latest lines of message text.
Linear Buckling Analysis: Linear Buckling Analysis Space truss members can be used in models for linear buckling analysis. Space frame members with member releases can be used in models for linear buckling analysis.
Static Analysis Performance: Static Analysis Performance A new out-of-core version of the STIFFNESS ANALYSIS solver called GTHCSolver (GT Hyper-Column Solver) has been implemented. GTHCSolver improves efficiency and significantly increases the size of the linear static analysis problem that can be solved. To date, we have successfully solved linear static analysis problems having 330,000 DOF’s as shown on the next slide.
Static Analysis Performance (cont): Static Analysis Performance (cont) Bandwidth 1785 Joints 55003 Members and Elements 56020 Number of static degrees-of-freedom = 330018 Time to solve (Version 28, HyperColumn Solver) = 81,637.75 seconds (1360.6 minutes = 22.68 hours) Time to solve (Version 28) = 295,248.39 seconds (4920.8 minutes = 82.1 hours)
Static Analysis Performance: Static Analysis Performance A new STIFFNESS ANALYSIS solver called the GT Sparse Equation Solver (GTSES) has been implemented and is currently undergoing testing. The GTSES solver significantly improves efficiency and increases the size of the linear static analysis problem that can be solved in-core. To date, we have successfully solved linear static analysis problems having 330,000 DOF’s as shown on the next slide.
Static Analysis Performance (cont): Static Analysis Performance (cont) Bandwidth 1785 Joints 55003 Members and Elements 56020 ********************************************* * Solution data for GTSESolver * ********************************************* Number of static degrees-of-freedom = 330018 Time to solve (Version 29, GTSESolver) = 432.42 seconds (7.2 minutes = 0.12 hours)
Dynamic Eigenvalue Analysis Performance: Dynamic Eigenvalue Analysis Performance A new in-core version of the GTLANCZOS Eigenvalue analysis solver called GTSELANCZOS has been implemented and is currently undergoing testing. GTSELANCZOS significantly improves efficiency and increases the size of the Eigenvalue problem that can be solved in-core. To date, we have successfully solved eigenvalue problems having 330,000 DOF’s. A problem with around 240,000 DOF’s is shown on the next slide.
Dynamics (cont): Dynamics (cont) Bandwidth 1179 Joints 39765 Members and Elements 46587 Number of Modes 100 ***************************************** * Solution data for GTSELanczos Solver * ***************************************** Number of dynamic degrees-of-freedom = 236640 Number of modes requested = 100 Eigenvalue tolerance = 1.00000E-06 Number of terms in skyline = 133,440,997 (around 1 Gigabyte of data) Rank of mass matrix = = 236640 Number of Lanczos vectors computed = 187 Time to solve Eigenproblem (Version 29, GTSELANCZOS Solver) = 2246.68 seconds (37.4 minutes = 0.6 hours)
Slide80: X-Solver Initial Performance Benchmark Results
Dynamic Analysis (cont): Dynamic Analysis (cont) Efficiency improvements are being implemented for response spectrum analysis, transient analysis, and harmonic analysis when the USE EXTERNAL FILE SOLVER command is used. These improvements include the ability to store and retrieve results data limited only by the amount of hard drive space available. In addition, improvements are also being made to the efficiency of the maximum value file search algorithm used for the LIST TRANSIENT MAXIMUM and CREATE PSEUDO STATIC LOAD FROM MAXIMUM commands.
Dynamics (cont): Dynamics (cont) Sample output from a 100-mode RS analysis of that large model using the GTHCLANCZOS out-of-core eigenvalue solver is shown on the next slide. The response spectrum analysis reflects the efficiency improvements to the external file solver. The total virtual memory requirement was 1.5 Gbytes and the total length of the displacement and force results files are 3.6 Gbytes.
Dynamics (cont): Dynamics (cont) { 15} > RESPONSE SPECTRUM LOAD 1 { 16} > SUPPORT ACCELERATIONS { 17} > TRANSL X 1.0 FILE 'S.7GD51' { 18} > END { 19} > RESPONSE SPECTRUM LOAD 2 { 20} > SUPPORT ACCELERATIONS { 21} > TRANSL Y 1.0 FILE 'S.7GD51' { 22} > END { 23} > RESPONSE SPECTRUM LOAD 3 { 24} > SUPPORT ACCELERATIONS { 25} > TRANSL Z 1.0 FILE 'S.7GD51' { 26} > END { 27} > { 28} > DAMPING RATIOS 0.05 100 { 29} > { 30} > DYNAMIC PARAMTERS { 31} > USE EXTERNAL FILE SOLVER { 32} > END { 33} > { 34} > PERFORM RESPONSE SPECTRUM ANALYSIS TIME TO COMPUTE RESPONSE SPECTRA RESULTS 0.89 SECONDS { 35} > COMPUTE RESPONSE SPECTRUM DISPL Time for response spectra computation 9.86 seconds { 36} > COMPUTE RESPONSE SPECTRUM FORCES Time for response spectra computation 280.97 seconds
Dynamic Analysis (cont): Dynamic Analysis (cont) You may now Store Time History Velocities and Displacements as a function of time (you may need both accelerations and displacements for multi-support excitation solutions: v1 t1 v2 t2 . . . . . . . . . . . . .vn tn
Dynamic Analysis (cont): Dynamic Analysis (cont) You may now specify transient support motions at different joints in order to perform a multi-support excitation using Physical Analysis. The new Transient Loading command is shown below:
Dynamic Analysis (cont): Dynamic Analysis (cont) Change output format for Response Spectrum and Time History File Data – one column. This will make it easier to bring the data into other programs such as Excel. The List Response Spectrum Base and Story Shear capability will be brought to release status. The Form Static, Form UBC97 Static, and Form IS1893 Static Load commands will be brought to release status.
Finite Elements: Finite Elements New eight node six degree of freedom curved shell element for thin and moderately thick shells – CQSHELL6 Surface, temperature, and body forces Lumped and Consistent Mass matrix for dynamic analysis Geometric stiffness for linear buckling analysis Standard finite element output – LIST, CALCULATE AVERAGE Integration into GTMenu (geometry, loads, input file, contour results)
General: General The OD, ID, and Thickness of Pipe cross sections from Tables will now be output (PRINT MEMBER PROPERTIES). The square root sum of the square stresses are now output for pipes and round bars when using the LIST SECTION STRESS command.
General (cont): General (cont) The LIST SECTION STRESS, LIST STRESS ENVELOPE, LIST MAXIMUM STRESS commands now have an option which allows the output of stresses for unsymmetrical sections: LIST SECTION STRESS UNSYMMETRICAL
General (cont): General (cont) The FORM LOAD specifications are now stored in the database. In addition, a Form Loading may now be updated to account for a loading change such as due to a change in the self-weight as shown below:
General (cont): General (cont) A new command has been added to convert Load Combinations to Form Loads:
Nonlinear – Custom Cross Section for Plastic Hinges: Nonlinear – Custom Cross Section for Plastic Hinges A new command has been implemented which allows the user to define custom cross-section fiber geometry using points, triangles, and quadrilaterals. The new command is shown on the next slide.
Nonlinear – Custom Cross Section for Plastic Hinges (cont): Nonlinear – Custom Cross Section for Plastic Hinges (cont)
Nonlinear Dynamic Analysis: Nonlinear Dynamic Analysis Nonlinear Dynamic Analysis will be brought to Release status. The nonlinear hysteretic spring element, NLS4PH, will be brought to release status. The viscous damper element for linear and nonlinear dynamics will be brought to release status. New base isolation lead core and friction pendulum elements will be added
Offshore: Offshore The efficiency of the PSD and DISCRETE fatigue analysis algorithm has been improved significantly by the implementation of a joint-by-joint analysis algorithm. A PSD fatigue analysis for 200 joints and 700 wave loads that once took days only to discover that 2 Gb of memory was insufficient to solve the problem can now be solved in approximately 15 minutes on a 3.0 GHz computer having 2 Gb ram.
Offshore (cont): Offshore (cont) Results from the Punching Shear calculations may now be output using the new command: LIST PUNCHING SHEAR RESULTS
Reinforced Concrete / Finite Element Analysis of Slabs: Reinforced Concrete / Finite Element Analysis of Slabs New command to check or design the reinforcement in a finite element model of a slab subjected to bending using ACI 318-02. User defines the section (cut ) in the slab by specifying two joints and an element in the plane of the cut User can specify the steel and/or spacing The new command and sample output are shown on the next few slides
Reinforced Concrete / Finite Element Analysis of Slabs (cont): Reinforced Concrete / Finite Element Analysis of Slabs (cont)
Reinforced Concrete / Finite Element Analysis of Slabs (cont): Reinforced Concrete / Finite Element Analysis of Slabs (cont) { 188} > design slab joints 6 50 element 5 :: FLAT PLATE SLAB DESIGN :: :: DESIGN ENVELOPE :: POSITIVE MOMENT = 1036799.95 lb-in NEGATIVE MOMENT = -691200.02 lb-in :: SLAB CROSS-SECTION :: Width (in) Depth (in) FCP (psi) FY (psi) Cover (in) _____________________________________________________________________________________________ 96.00 6.00 4000.00 60000.00 0.75 :: DESIGN RESULTS :: Face Bar# Spacing PHI-MN MU Status _____________________________________________________________________________________________ TOP 5 8.500 754495.9447 691200.0156 PASSES BOTTOM 5 5.500 1114752.1453 1036799.9531 PASSES
Reinforced Concrete / Finite Element Analysis of Slabs (cont): Reinforced Concrete / Finite Element Analysis of Slabs (cont) { 190} > design slab joints 6 50 element 5 top face bar 7 :: FLAT PLATE SLAB DESIGN :: :: DESIGN ENVELOPE :: POSITIVE MOMENT = 1036799.95 lb-in NEGATIVE MOMENT = -691200.02 lb-in :: SLAB CROSS-SECTION :: Width (in) Depth (in) FCP (psi) FY (psi) Cover (in) _____________________________________________________________________________________________ 96.00 6.00 4000.00 60000.00 0.75 :: DESIGN RESULTS :: Face Bar# Spacing PHI-MN MU Status _____________________________________________________________________________________________ TOP 7 12.000 906247.0695 691200.0156 PASSES BOTTOM 5 5.500 1114752.1453 1036799.9531 PASSES
Steel Design: Steel Design The K-factor computation has been modified to detect cantilever members and physical members. These are now ignored in the K-factor computation. New parameters have been added to the Canadian (CAN97) code to allow code checking for open-web steel joists. Solid Round, Rectangular, and Square Bars have been added to the LRFD3 code.
Steel Design (cont): Steel Design (cont) A new parameter, Class3, has been added to the BS5950 code which allows the user to code check or design based on the Class 3 cross-section classification. A new parameter, ALSTINC, has been added to the APIWSD20 and AISI89 codes to allow for a one-third allowable stress increase.
Steel Design (cont): Steel Design (cont) New Displacement Constraint Design Procedure will be available to select members to satisfy joint displacement constraints. An example of some of the new parameters, commands and resulting output are shown on the next slides.
Steel Design (cont): Steel Design (cont)
Steel Design (cont): Steel Design (cont)
Steel Design (cont): Steel Design (cont)
Steel Design (cont): Steel Design (cont)
Scope Editor: Scope Editor Automatic insertion of items from a template Date and time Title with a prompt for user input Allow margin specification on import from GTMenu
Scope Editor: Scope Editor Example changes to template to insert date and time Upon bringing an image into the Scope Editor and applying your template, you see
Scope Editor (cont): Scope Editor (cont) You can now specify margins in the Scope Editor using the Scope Editor Options dialog
Antenna Tower Program: Antenna Tower Program Simplified modeling of tower and monopole geometry Simplified appurtenance input Automatic ice and wind load calculations Nonlinear analysis for guyed towers and monopoles
Antenna Tower Program (cont): Antenna Tower Program (cont) Concise result reporting including twist, sway and displacement for antennas Code check by ASD9 along with TIA/EFA-222-F adjustments Investigating code check based on 222-G We need your input on this!
Antenna Tower Program (cont): Antenna Tower Program (cont) - Tabbed spreadsheet-like input Graphical display of current model Menu selections for File input GTSTRUDL processing Results review
Antenna Tower Program (cont): Antenna Tower Program (cont) Modeling Tower type: Monopole, 3- or 4-sided Tower height Base and top widths Additional inflection (slope change) points
Antenna Tower Program (cont): Antenna Tower Program (cont) State and county drop-downs for wind speed
Antenna Tower Program (cont): Antenna Tower Program (cont) Results Base reactions Displacement of tower joints Twist, sway and displacement of antennas Member end forces Code check results Printed reports
Interfaces to Other Programs: Interfaces to Other Programs AutoCAD – interfaces via DXF converter DSI’s intelliModel Intergraph’s Frameworks Intergraph’s SmartPlant 3D – CIS/2 Structural Desktop by Structural Desktop, Inc Tekla – in progress Other CAD programs which support DXF or CIS/2
Future Enhancements: Future Enhancements
Future Enhancements: Future Enhancements Graphically specify Area Loads in GTMenu Allow a 2-point line to be specified using "Start and End" mode, as for Member generation. Currently "End to End" mode is assumed. Expand the Member and Element generation Spacing option, "Defined by Line/Curve", to accept an n-point line of up to 500 segments. Currently it is limited to 50 segments
Future Enhancements (cont): Future Enhancements (cont) Multiple windows to allow for result display in a separate window than the model display Graphically specify joints and elements to be used with LIST SUM FORCES command List the contents of a Group in an Inquire box. Currently the contents can only be displayed graphically
Future Enhancements (cont): Future Enhancements (cont) Add a Display Options capability to the Principal Vector display for principal stress vectors similar to the one shown here for contouring
Future Enhancements (cont): Future Enhancements (cont) Add the option to Split Members to interpolate eccentricities between the start and end of the split members Ability to click on a member and have a graphical summary of the results on just that member in a separate Window that can be printed
Future Enhancements (cont): Future Enhancements (cont) Addition of the following items to the input file created by GTMenu: Dynamic Loadings Eigenparameters Dynamic Modal Damping Data Nonlinear Effects Nonlinear Spring Properties Nonlinear Solution Parameters Cable Network Data
Future Enhancements (cont): Future Enhancements (cont) Add the ability to graphically display rigid bodies, joint ties, slave releases, and superelement data (we need input on this)
Future Enhancements (cont): Future Enhancements (cont) Latest ACI 318 AISC 13th edition (“ASD” & LRFD)
Future Enhancements (cont): Future Enhancements (cont) Torsion and Warping check or design for ASD9 and LRFD3 codes. Cross-sections considered for ASD9 code are: I shapes, Channels, Single Angles, and Structural Tubes Cross-sections considered for LRFD code are: I shapes, Channels, Single Angles, Pipes, and Structural Tubes
Future Enhancements (cont): Future Enhancements (cont) Warping stress computations will be based on Cases 1 and 2 of the Torsion Analysis of Rolled Steel Section by Bethlehem Steel or the AISC Torsional Analysis of Structural Steel Members, Steel Design Guide Series 9. The following boundary conditions will be implemented: FIX-FIX, FIX-PIN, PIN-FIX, PIN-PIN
Future Enhancements (cont): Future Enhancements (cont) Add maximum moments and/or forces to the user specified sections for code check or design. User can specify from the maximum of FX, FY, FZ, MX, MY, MZ, or all of them. When user specifies maximum force or moment, the maximum locations are added to the list of sections that the user has already specified.
Future Enhancements (cont): Future Enhancements (cont) Add an option to code check and design for a maximum envelope. This means first finding the maximum FX, FY, FZ, MX, MY, and MZ. These maximums are then assumed to act at a single location for the code check or design.
Future Enhancements (cont): Future Enhancements (cont) Continue expanding the model data and results which are available in Datasheets. Use the new datasheets which allow printing and facilitate exporting to Excel.
Future Enhancements (cont): Future Enhancements (cont) IBC 2003 and ASCE 7 equivalent static earthquake load Hysteretic behavior for plastic hinges and nonlinear member end connections Graphically display plastic hinge status and other pushover information
Future Enhancements (cont): Future Enhancements (cont) Incremental nonlinear analysis to facilitate the use of nonlinear analysis to solve construction sequence problems Add models for multi circular spirals in rectangular columns for pushover analysis Add options for users to type in rebar coordinates or automatic equal spacing for pushover analysis
Future Enhancements (cont): Future Enhancements (cont) Generalizing nonlinear frame member model to support large finite rotation behavior Center of stiffness computation in dynamic analysis Response Spectra widening capablility
Future Enhancements (cont): Future Enhancements (cont) Automatic insertion of items from a template File name True paragraph data as opposed to current acceptance of multi-line input Library of symbols to use for copy and paste
Future Enhancements (cont): Future Enhancements (cont) Increased resolution Multi-page document Implement “Undo” function
Your assistance is needed to help us improve GTSTRUDL in the Committee meetings tomorrow:: Your assistance is needed to help us improve GTSTRUDL in the Committee meetings tomorrow: Please provide us with a prioritized list of the features that you would like to see. Please be specific especially when requesting model wizard, design codes (which codes and which cross sections) or datasheet requests. Sketches of wizards, output, and graphical displays help us tremendously.
Committee Reports: Committee Reports We need details regarding features that you request. Despite our best attempts to take notes and remember what was said in the committee meetings, we often have trouble understanding your requests when we review the Committee Reports. Please be specific and provide as much detail as possible.

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